public void StopSpeechRecognition()
{
if (!_isActive)
{
NonBlockingConsole.WriteLine("Warn: StopSpeechRecognition() called on an inactive SpeechRecognizer.");
return;
}
_isActive = false;
if (_isRecognizing)
{
_isRecognizing = false;
if (_speechRecognitionEngine != null)
{
_speechRecognitionEngine.RecognizeAsyncCancel();
}
if (_speechRecognitionConnector != null)
{
// Stop the connector
_speechRecognitionConnector.Stop();
// speech recognition connector must be detached from the flow, otherwise if the connector is rooted, it will keep the flow in memory.
_speechRecognitionConnector.DetachFlow();
}
if (_speechRecognitionStream != null)
{
_speechRecognitionStream.Dispose();
_speechRecognitionStream = null;
}
}
if ((_audioVideoFlow != null) && (_audioVideoFlow.SpeechRecognitionConnector != null))
{
_audioVideoFlow.SpeechRecognitionConnector.Stop();
_audioVideoFlow.SpeechRecognitionConnector.DetachFlow();
_audioVideoFlow.StateChanged -= AudioVideoFlow_StateChanged;
_audioVideoFlow = null;
}
_waitForAudioVideoFlowStateChangedToActiveCompleted.Reset();
}
